diff options
| author | Insu Yun | 2016-02-16 03:19:57 +0100 |
|---|---|---|
| committer | Linus Walleij | 2016-02-16 16:36:22 +0100 |
| commit | aaf2b3afb93102411412f9dad8d84b13fc7f7edb (patch) | |
| tree | fbaec6ff0177caf4092b61f3322ee63a2cf3017a /drivers/gpio/gpio-mcp23s08.c | |
| parent | gpio: tps65218: Make tps65218_gpio_output set proper output level (diff) | |
| download | kernel-qcow2-linux-aaf2b3afb93102411412f9dad8d84b13fc7f7edb.tar.gz kernel-qcow2-linux-aaf2b3afb93102411412f9dad8d84b13fc7f7edb.tar.xz kernel-qcow2-linux-aaf2b3afb93102411412f9dad8d84b13fc7f7edb.zip | |
gpio-mcp23s08: correctly handling failed allocation
Since devm_kzalloc can be failed in memory pressure,
it needs to check and return -ENOMEM
Signed-off-by: Insu Yun <wuninsu@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/gpio/gpio-mcp23s08.c')
| -rw-r--r-- | drivers/gpio/gpio-mcp23s08.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpio/gpio-mcp23s08.c b/drivers/gpio/gpio-mcp23s08.c index c767879e4dd9..f8d4abcff573 100644 --- a/drivers/gpio/gpio-mcp23s08.c +++ b/drivers/gpio/gpio-mcp23s08.c @@ -803,6 +803,8 @@ static int mcp230xx_probe(struct i2c_client *client, pdata = devm_kzalloc(&client->dev, sizeof(struct mcp23s08_platform_data), GFP_KERNEL); + if (!pdata) + return -ENOMEM; pdata->base = -1; } } |